the expression is 27a^3 or (3a)^3
Answer: z=67-at
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a-45
ANSWER
X = -9
EXPLANATION: you subtract 180 - 70 giving you 110
Equation set up: x + 49 + x + 79 = 110
You could distribute this expression to get and even MORE simplified expression. Add the two terms in the parentheses together so that you get 4(7x). Now you can simply multiply 4 by 7x which would equal 28x. The new expression is 28x.
